Thyristor Battery Chargers – Uninterrupted Power, Unmatched Reliability
At Chhabi Electricals, we recognize that your operations demand unwavering power continuity. That’s why our DC UPS solutions are engineered to deliver reliability, precision, and intelligent control—ensuring your business never skips a beat. Whether you need rugged simplicity or smart, adaptive power management, we have the right solution tailored to your needs.
Analog-controlled thyristors built to withstand surges, heat, and dust.
Potentiometer-based voltage/current tuning for predictable operation.
Works with 6/12/24-pulse rectifiers, integrates with legacy and modern systems.
elecom backups up to 360 V heavy machinery, handling up to 2500 A
| Parameter | Specification |
|---|---|
| Input AC Supply | 415 V AC ±10%, 3PH, 3/4 Wire, 50Hz or 60Hz ±5% or 230V AC ±10% |
| DC Output Voltages | 24V, 48V, 110V, 125V, 220V, 360V |
| DC Output Current Range | 5A – 3000A (other ratings on request) |
| Applicable Standards | IS 4540, IEC 146 (as applicable) |
| Quality Standard | ISO 9001, ISO 14001, ISO 45001 & ZED (Zero Defects Zero Effects) |
| Supported Battery Types | Lead Acid, VRLA (Valve Regulated Lead Acid), Nickel Cadmium, Li-Ion |
| Charging Characteristics | Constant Current, Constant Voltage (CC–CV) |
| Cell Configuration | 24V, 48V, 110V, 125V, 220V, 360V |
| DC Output Voltage (VPC) | Float Mode: LA 2.15–2.2, VRLA 2.15–2.25, NiCd 1.40–1.42 Boost Mode: LA 2.65–2.75, VRLA 2.3–2.35, NiCd 1.65–1.7 |
| Voltage Regulation | ±1% (0–100% load, float mode) |
| Current Variation | Adjustable 10%–100% (boost mode) |
| Current Limit | 105% of rated current (float mode) |
| DC Current Regulation | ±2% (boost mode) |
| Magnetics | Isolation transformer / Filter choke |
| Insulation Class | Class F, temperature rise 90°C (for magnetics) |
| High Voltage Withstand | 2.5 kV for 1 minute |
| Rectifier Type | Fully controlled bridge (6 / 12 / 24 pulse thyristor) |
| Output Ripple | ≤1% RMS / 2% RMS / 3% RMS or Peak-to-Peak (without battery connected) |
| Efficiency | ≥80% at full load (110V, 220V, 360V models) ≥70% at full load (24V, 48V models) |
| Instrument | Details |
|---|---|
| Output | DC Voltmeter, DC Ammeter |
| Battery | DC Voltmeter, DC Ammeter |
| Input | AC Voltmeter, AC Ammeter (optional) |
| Feature | Description |
|---|---|
| Thyristor Protection | Dedicated fuse for thyristor safety |
| Soft Start | Prevents inrush currents during startup |
| Electronic Current Limit | Protects system from excessive load |
| Phase Protection | Phase sequence reversal & phase failure protection |
| Category | Details |
|---|---|
| Alarms / Annunciations |
|
| Status Indications | Relay Contacts: Potential free (optional) |
| Communication | RS485 (optional) |
| Specification | Details |
|---|---|
| Construction | Folded sheet MS, powder coated (Paint Shade – Customizable) |
| Sheet Thickness | Frame (Load bearing members) – 2 mm, Panels (Non-load bearing members) – 1.6 mm |
| Cable Entry | Bottom (top on request) |
| Panel Access | Front & rear; Only front on request |
| Terminal Arrangement | Back side |
| Enclosure Protection | IP20 / IP31 / IP42 (others i.e. IP5x on request) |
| Cooling | Natural air cooling / Forced air cooling |
| Noise Level | 70 dBA (natural) / 80 dBA (forced cooling) |
| Installation | Indoor, floor mounting, self-standing |
| Condition | Details |
|---|---|
| Temperature | 0°C to +50°C |
| Humidity | ≤95% RH (non-condensing) |
| Altitude | ≤1000m above MSL |
Reliable DC power for control, protection, and backup across thermal, nuclear, hydro, renewable plants, and utility operations.
